/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 19:51:43,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 19:51:43,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 19:51:43,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 19:51:43,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 19:51:43,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 19:51:43,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 19:51:43,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 19:51:43,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 19:51:43,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 19:51:43,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 19:51:43,958 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 19:51:43,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 19:51:43,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 19:51:43,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 19:51:43,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 19:51:43,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 19:51:43,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 19:51:43,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 19:51:43,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 19:51:43,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 19:51:43,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 19:51:43,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 19:51:43,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 19:51:43,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 19:51:43,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 19:51:43,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 19:51:43,988 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 19:51:43,994 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 19:51:43,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 19:51:43,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 19:51:43,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 19:51:44,002 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 19:51:44,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 19:51:44,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 19:51:44,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 19:51:44,008 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 19:51:44,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 19:51:44,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 19:51:44,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 19:51:44,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 19:51:44,014 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 19:51:44,072 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 19:51:44,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 19:51:44,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 19:51:44,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 19:51:44,078 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 19:51:44,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 19:51:44,078 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 19:51:44,078 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 19:51:44,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 19:51:44,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 19:51:44,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 19:51:44,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 19:51:44,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 19:51:44,081 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 19:51:44,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 19:51:44,081 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 19:51:44,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 19:51:44,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 19:51:44,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 19:51:44,082 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 19:51:44,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 19:51:44,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:51:44,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 19:51:44,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 19:51:44,083 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 19:51:44,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 19:51:44,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 19:51:44,084 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 19:51:44,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 19:51:44,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 19:51:44,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 19:51:44,540 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 19:51:44,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 19:51:44,545 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 19:51:44,546 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 19:51:44,547 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-10-27 19:51:44,631 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b13dbfbf/35595d00e3834ff3889825a31e57aad4/FLAG3288b7fd0 [2020-10-27 19:51:45,444 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 19:51:45,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/heap-manipulation/dll_of_dll-1.i [2020-10-27 19:51:45,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b13dbfbf/35595d00e3834ff3889825a31e57aad4/FLAG3288b7fd0 [2020-10-27 19:51:45,709 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7b13dbfbf/35595d00e3834ff3889825a31e57aad4 [2020-10-27 19:51:45,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 19:51:45,719 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 19:51:45,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 19:51:45,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 19:51:45,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 19:51:45,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:51:45" (1/1) ... [2020-10-27 19:51:45,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f3bbfb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:45, skipping insertion in model container [2020-10-27 19:51:45,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:51:45" (1/1) ... [2020-10-27 19:51:45,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 19:51:45,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 19:51:46,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:51:46,281 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 19:51:46,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:51:46,493 INFO L208 MainTranslator]: Completed translation [2020-10-27 19:51:46,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:46 WrapperNode [2020-10-27 19:51:46,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 19:51:46,495 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 19:51:46,495 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 19:51:46,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 19:51:46,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:46" (1/1) ... [2020-10-27 19:51:46,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:46" (1/1) ... [2020-10-27 19:51:46,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:46" (1/1) ... [2020-10-27 19:51:46,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:46" (1/1) ... [2020-10-27 19:51:46,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:46" (1/1) ... [2020-10-27 19:51:46,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:46" (1/1) ... [2020-10-27 19:51:46,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:46" (1/1) ... [2020-10-27 19:51:46,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 19:51:46,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 19:51:46,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 19:51:46,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 19:51:46,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:51:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 19:51:46,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 19:51:46,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 19:51:46,695 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 19:51:46,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 19:51:46,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 19:51:46,695 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2020-10-27 19:51:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_slave [2020-10-27 19:51:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die_master [2020-10-27 19:51:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_slave [2020-10-27 19:51:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2020-10-27 19:51:46,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2020-10-27 19:51:46,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_slave [2020-10-27 19:51:46,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_nested_lists [2020-10-27 19:51:46,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_reinit_nested_lists [2020-10-27 19:51:46,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy_master [2020-10-27 19:51:46,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2020-10-27 19:51:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_master [2020-10-27 19:51:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2020-10-27 19:51:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_full [2020-10-27 19:51:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_dangling [2020-10-27 19:51:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_init [2020-10-27 19:51:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 19:51:46,699 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 19:51:46,699 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 19:51:46,699 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 19:51:46,699 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 19:51:46,699 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 19:51:46,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 19:51:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 19:51:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 19:51:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 19:51:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 19:51:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 19:51:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 19:51:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 19:51:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 19:51:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 19:51:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 19:51:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 19:51:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 19:51:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 19:51:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 19:51:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 19:51:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 19:51:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 19:51:46,702 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 19:51:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 19:51:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 19:51:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 19:51:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 19:51:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 19:51:46,703 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 19:51:46,704 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 19:51:46,704 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 19:51:46,704 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 19:51:46,704 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 19:51:46,704 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 19:51:46,705 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 19:51:46,705 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 19:51:46,705 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 19:51:46,705 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 19:51:46,705 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 19:51:46,705 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 19:51:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 19:51:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 19:51:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 19:51:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 19:51:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 19:51:46,706 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 19:51:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 19:51:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 19:51:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 19:51:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 19:51:46,707 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 19:51:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 19:51:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 19:51:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 19:51:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 19:51:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 19:51:46,708 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 19:51:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 19:51:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 19:51:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 19:51:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 19:51:46,709 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 19:51:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 19:51:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 19:51:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 19:51:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-27 19:51:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 19:51:46,710 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-27 19:51:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 19:51:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 19:51:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-27 19:51:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 19:51:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 19:51:46,711 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 19:51:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 19:51:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 19:51:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 19:51:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 19:51:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 19:51:46,712 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 19:51:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 19:51:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 19:51:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 19:51:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 19:51:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 19:51:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 19:51:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 19:51:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 19:51:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 19:51:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 19:51:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 19:51:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 19:51:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 19:51:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 19:51:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 19:51:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 19:51:46,715 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 19:51:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 19:51:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 19:51:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 19:51:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 19:51:46,716 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 19:51:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 19:51:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 19:51:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 19:51:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 19:51:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 19:51:46,717 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 19:51:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 19:51:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 19:51:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2020-10-27 19:51:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_slave [2020-10-27 19:51:46,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 19:51:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 19:51:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die_master [2020-10-27 19:51:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_slave [2020-10-27 19:51:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 19:51:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2020-10-27 19:51:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-27 19:51:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-27 19:51:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 19:51:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2020-10-27 19:51:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_slave [2020-10-27 19:51:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_nested_lists [2020-10-27 19:51:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure dll_reinit_nested_lists [2020-10-27 19:51:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy_master [2020-10-27 19:51:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2020-10-27 19:51:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_master [2020-10-27 19:51:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2020-10-27 19:51:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_full [2020-10-27 19:51:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_dangling [2020-10-27 19:51:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_init [2020-10-27 19:51:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 19:51:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 19:51:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 19:51:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 19:51:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 19:51:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 19:51:47,772 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 19:51:47,772 INFO L298 CfgBuilder]: Removed 38 assume(true) statements. [2020-10-27 19:51:47,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:51:47 BoogieIcfgContainer [2020-10-27 19:51:47,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 19:51:47,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 19:51:47,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 19:51:47,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 19:51:47,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:51:45" (1/3) ... [2020-10-27 19:51:47,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bef33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:51:47, skipping insertion in model container [2020-10-27 19:51:47,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:51:46" (2/3) ... [2020-10-27 19:51:47,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68bef33f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:51:47, skipping insertion in model container [2020-10-27 19:51:47,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:51:47" (3/3) ... [2020-10-27 19:51:47,785 INFO L111 eAbstractionObserver]: Analyzing ICFG dll_of_dll-1.i [2020-10-27 19:51:47,798 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 19:51:47,804 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 19:51:47,819 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 19:51:47,850 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 19:51:47,850 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 19:51:47,850 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 19:51:47,850 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 19:51:47,851 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 19:51:47,851 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 19:51:47,851 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 19:51:47,851 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 19:51:47,875 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-10-27 19:51:47,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-27 19:51:47,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:51:47,888 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:51:47,889 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:51:47,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:51:47,896 INFO L82 PathProgramCache]: Analyzing trace with hash 744393306, now seen corresponding path program 1 times [2020-10-27 19:51:47,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:51:47,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [27541269] [2020-10-27 19:51:47,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:51:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:48,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:48,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:48,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:48,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:48,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:48,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:53,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:53,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 19:51:53,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 19:51:53,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 19:51:53,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:53,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:53,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-27 19:51:53,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:53,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 19:51:53,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:51:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:53,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:53,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:53,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:51:53,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:53,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:51:53,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:53,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:53,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:51:53,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:53,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:53,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 19:51:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:53,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:53,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:53,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:53,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:53,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:55,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:57,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 19:51:57,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 19:51:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3897 [2020-10-27 19:51:57,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:57,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:57,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 54 [2020-10-27 19:51:57,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:57,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:57,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:51:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:57,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:57,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:58,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:58,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:58,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 19:51:58,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 19:51:58,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1630 [2020-10-27 19:51:58,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:58,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 19:51:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:58,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:58,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:51:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:58,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:58,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:58,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:58,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:51:58,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:51:58,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 19:51:58,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:58,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:58,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 19:51:58,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:58,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:51:58,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:51:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:58,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:59,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:59,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:51:59,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:59,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:51:59,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:59,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:51:59,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:59,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:51:59,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:51:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:59,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:59,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:59,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:51:59,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:59,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:51:59,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:59,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 19:51:59,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:59,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:51:59,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:51:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:59,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:59,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:59,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:59,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:51:59,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:51:59,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 19:51:59,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:59,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:59,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 19:51:59,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:59,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:59,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:51:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:59,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:59,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:59,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:51:59,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:59,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:51:59,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:59,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:59,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 19:51:59,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:59,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:51:59,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:51:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:59,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:51:59,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:51:59,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:51:59,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:51:59,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:51:59,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:51:59,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:51:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 19:51:59,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:51:59,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:51:59,164 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 19:51:59,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [27541269] [2020-10-27 19:51:59,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:51:59,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 19:51:59,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422349474] [2020-10-27 19:51:59,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 19:51:59,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:51:59,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 19:51:59,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 19:51:59,196 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 4 states. [2020-10-27 19:51:59,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:51:59,800 INFO L93 Difference]: Finished difference Result 350 states and 552 transitions. [2020-10-27 19:51:59,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-27 19:51:59,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2020-10-27 19:51:59,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:51:59,815 INFO L225 Difference]: With dead ends: 350 [2020-10-27 19:51:59,816 INFO L226 Difference]: Without dead ends: 168 [2020-10-27 19:51:59,822 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 19:51:59,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-10-27 19:51:59,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 157. [2020-10-27 19:51:59,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2020-10-27 19:51:59,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 186 transitions. [2020-10-27 19:51:59,906 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 186 transitions. Word has length 61 [2020-10-27 19:51:59,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:51:59,907 INFO L481 AbstractCegarLoop]: Abstraction has 157 states and 186 transitions. [2020-10-27 19:51:59,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 19:51:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 186 transitions. [2020-10-27 19:51:59,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 19:51:59,913 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:51:59,913 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:51:59,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 19:51:59,914 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:51:59,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:51:59,914 INFO L82 PathProgramCache]: Analyzing trace with hash -459097828, now seen corresponding path program 1 times [2020-10-27 19:51:59,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:51:59,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038321330] [2020-10-27 19:51:59,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:51:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:51:59,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:00,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:00,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:02,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:02,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:04,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:04,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 19:52:04,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 19:52:04,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 19:52:04,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:04,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 19:52:04,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 19:52:04,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 19:52:04,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:05,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:05,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:05,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:05,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:52:05,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:05,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:52:05,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:05,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:05,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:05,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:05,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:05,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 19:52:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:05,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:05,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:05,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:06,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:06,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:06,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:07,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:10,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:10,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 19:52:10,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 19:52:10,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 19:52:10,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 19:52:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:52:10,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 19:52:10,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:10,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:10,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:10,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:10,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:11,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:11,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 19:52:11,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:52:11,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1437 [2020-10-27 19:52:11,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:11,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 19:52:11,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:52:11,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 19:52:11,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:11,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:11,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:11,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:52:11,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:11,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-10-27 19:52:11,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:11,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 19:52:11,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:52:11,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 19:52:11,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:11,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:52:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:11,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:12,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:12,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:52:12,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:12,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-27 19:52:12,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:12,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:52:12,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:52:12,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 19:52:12,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:12,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:12,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:12,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:12,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:52:12,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:12,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 19:52:12,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:52:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:52:12,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:52:12,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:12,816 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-10-27 19:52:12,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:52:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:12,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:12,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:12,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:52:12,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:12,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:52:12,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 19:52:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:12,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:12,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:52:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:12,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:12,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:12,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:52:12,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:12,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:52:12,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:12,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:12,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:12,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:12,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:12,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:12,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:52:12,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:12,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:52:12,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:12,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:12,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:12,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:12,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 19:52:12,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038321330] [2020-10-27 19:52:12,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:52:12,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 19:52:12,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922802773] [2020-10-27 19:52:12,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 19:52:12,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:52:12,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 19:52:12,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2020-10-27 19:52:12,944 INFO L87 Difference]: Start difference. First operand 157 states and 186 transitions. Second operand 19 states. [2020-10-27 19:52:13,701 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2020-10-27 19:52:16,095 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-27 19:52:16,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:52:16,300 INFO L93 Difference]: Finished difference Result 326 states and 398 transitions. [2020-10-27 19:52:16,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 19:52:16,304 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 62 [2020-10-27 19:52:16,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:52:16,307 INFO L225 Difference]: With dead ends: 326 [2020-10-27 19:52:16,307 INFO L226 Difference]: Without dead ends: 176 [2020-10-27 19:52:16,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=110, Invalid=702, Unknown=0, NotChecked=0, Total=812 [2020-10-27 19:52:16,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-27 19:52:16,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 162. [2020-10-27 19:52:16,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-27 19:52:16,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 192 transitions. [2020-10-27 19:52:16,346 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 192 transitions. Word has length 62 [2020-10-27 19:52:16,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:52:16,346 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 192 transitions. [2020-10-27 19:52:16,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 19:52:16,347 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 192 transitions. [2020-10-27 19:52:16,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 19:52:16,349 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:52:16,349 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:52:16,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 19:52:16,349 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:52:16,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:52:16,350 INFO L82 PathProgramCache]: Analyzing trace with hash -344964840, now seen corresponding path program 1 times [2020-10-27 19:52:16,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:52:16,350 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370116903] [2020-10-27 19:52:16,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:52:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:16,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:16,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:16,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:16,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:19,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:20,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:21,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:21,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 19:52:21,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 19:52:21,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 19:52:21,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 19:52:21,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 43 [2020-10-27 19:52:21,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 19:52:21,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:21,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:21,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:21,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:21,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:52:21,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:21,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:52:21,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:21,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:21,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:21,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 19:52:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:21,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:21,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:21,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:22,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:23,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:23,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:26,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:26,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 19:52:26,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 19:52:26,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 19:52:26,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:26,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 19:52:26,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:52:26,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:52:26,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:26,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:26,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:26,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:26,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:26,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:28,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:28,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 19:52:28,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:52:28,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1923 [2020-10-27 19:52:28,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:52:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:52:28,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 19:52:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:28,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:28,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:28,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:28,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:52:28,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:28,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 19:52:28,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:28,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:52:28,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:28,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 19:52:28,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:28,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:52:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:28,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:28,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:28,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:52:28,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:28,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 19:52:28,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:28,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 19:52:28,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:28,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:28,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:28,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:28,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:52:28,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:28,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:52:28,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:28,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:28,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:28,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:52:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:28,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:28,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:28,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:52:28,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:28,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 19:52:28,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:28,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:28,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:28,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 19:52:28,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:28,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:52:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:28,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:28,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:28,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:52:28,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:28,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:52:28,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:28,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:28,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:28,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:28,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:28,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:28,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:28,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:28,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:52:28,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:28,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:52:28,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:28,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:28,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 19:52:28,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370116903] [2020-10-27 19:52:28,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:52:28,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 19:52:28,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792190509] [2020-10-27 19:52:28,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 19:52:28,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:52:28,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 19:52:28,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2020-10-27 19:52:28,808 INFO L87 Difference]: Start difference. First operand 162 states and 192 transitions. Second operand 13 states. [2020-10-27 19:52:30,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:52:30,314 INFO L93 Difference]: Finished difference Result 341 states and 424 transitions. [2020-10-27 19:52:30,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 19:52:30,315 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 62 [2020-10-27 19:52:30,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:52:30,320 INFO L225 Difference]: With dead ends: 341 [2020-10-27 19:52:30,320 INFO L226 Difference]: Without dead ends: 186 [2020-10-27 19:52:30,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-10-27 19:52:30,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-10-27 19:52:30,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 175. [2020-10-27 19:52:30,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-27 19:52:30,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 207 transitions. [2020-10-27 19:52:30,352 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 207 transitions. Word has length 62 [2020-10-27 19:52:30,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:52:30,353 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 207 transitions. [2020-10-27 19:52:30,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 19:52:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 207 transitions. [2020-10-27 19:52:30,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-27 19:52:30,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:52:30,355 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:52:30,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 19:52:30,356 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:52:30,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:52:30,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1634438030, now seen corresponding path program 1 times [2020-10-27 19:52:30,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:52:30,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058313228] [2020-10-27 19:52:30,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:52:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:30,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:30,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:31,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:34,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:36,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:36,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-27 19:52:36,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:52:36,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5805 [2020-10-27 19:52:36,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:36,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 19:52:36,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 19:52:36,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 19:52:36,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:36,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:36,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:36,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:36,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:52:36,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:36,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:52:36,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:36,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:36,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:36,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:36,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:36,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 19:52:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:36,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:37,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:37,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:41,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:42,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:42,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-27 19:52:42,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:52:42,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5872 [2020-10-27 19:52:42,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:42,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 19:52:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:52:42,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 19:52:42,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:42,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:42,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:45,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:45,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 19:52:45,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:45,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2817 [2020-10-27 19:52:45,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 19:52:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:52:45,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 19:52:45,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:45,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:45,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:45,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:45,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 19:52:45,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:45,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 453 [2020-10-27 19:52:45,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:45,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 19:52:45,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:52:45,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 19:52:45,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:45,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:52:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:45,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:46,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:46,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 19:52:46,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:46,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 492 [2020-10-27 19:52:46,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:46,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:52:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:52:46,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 19:52:46,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:46,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:46,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:46,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:46,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:46,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:52:46,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:46,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 19:52:46,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:52:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:52:46,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:52:46,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,320 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-10-27 19:52:47,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:52:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 19:52:47,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 19:52:47,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:52:47,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 19:52:47,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 19:52:47,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 19:52:47,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:52:47,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:52:47,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:52:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:52:47,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:52:47,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:52:47,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:52:47,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:52:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:52:47,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:52:47,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:52:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:52:47,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:52:47,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:52:47,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:52:47,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 19:52:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 19:52:47,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 19:52:47,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-27 19:52:47,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:52:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 19:52:47,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 19:52:47,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:52:47,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:52:47,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:52:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 19:52:47,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 19:52:47,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 19:52:47,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 19:52:47,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:52:47,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:52:47,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:52:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:52:47,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:52:47,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:52:47,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:52:47,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:52:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:47,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:47,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:52:47,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:47,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:52:47,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:47,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:47,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:47,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:47,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:52:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:47,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:48,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:48,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:52:48,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:48,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 19:52:48,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:48,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:48,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:52:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:48,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:48,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:48,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:52:48,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:48,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:52:48,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:48,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:48,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2020-10-27 19:52:48,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058313228] [2020-10-27 19:52:48,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:52:48,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 19:52:48,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380086018] [2020-10-27 19:52:48,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 19:52:48,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:52:48,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 19:52:48,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2020-10-27 19:52:48,217 INFO L87 Difference]: Start difference. First operand 175 states and 207 transitions. Second operand 19 states. [2020-10-27 19:52:49,169 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 71 [2020-10-27 19:52:51,484 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-27 19:52:51,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:52:51,714 INFO L93 Difference]: Finished difference Result 361 states and 433 transitions. [2020-10-27 19:52:51,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 19:52:51,715 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 156 [2020-10-27 19:52:51,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:52:51,722 INFO L225 Difference]: With dead ends: 361 [2020-10-27 19:52:51,722 INFO L226 Difference]: Without dead ends: 195 [2020-10-27 19:52:51,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=110, Invalid=702, Unknown=0, NotChecked=0, Total=812 [2020-10-27 19:52:51,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-10-27 19:52:51,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 181. [2020-10-27 19:52:51,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-27 19:52:51,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 215 transitions. [2020-10-27 19:52:51,785 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 215 transitions. Word has length 156 [2020-10-27 19:52:51,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:52:51,788 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 215 transitions. [2020-10-27 19:52:51,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 19:52:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 215 transitions. [2020-10-27 19:52:51,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-27 19:52:51,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:52:51,800 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:52:51,800 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 19:52:51,801 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:52:51,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:52:51,801 INFO L82 PathProgramCache]: Analyzing trace with hash 1871240816, now seen corresponding path program 1 times [2020-10-27 19:52:51,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:52:51,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737088801] [2020-10-27 19:52:51,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:52:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:51,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:52,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:52,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:52,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:55,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:57,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:57,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-27 19:52:57,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 19:52:57,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5066 [2020-10-27 19:52:57,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 19:52:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-27 19:52:57,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:52:57,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:57,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:52:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:57,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:57,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:52:57,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:52:57,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:52:57,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:52:57,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:52:57,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:52:57,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:52:57,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:52:57,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:52:57,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 19:52:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:52:57,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:57,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:58,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:52:59,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:02,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:02,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-27 19:53:02,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:53:02,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 19:53:02,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 19:53:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 118 [2020-10-27 19:53:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:53:02,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:02,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:53:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:02,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:02,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:03,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:06,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:07,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:07,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 19:53:07,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:53:07,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 19:53:07,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:07,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 19:53:07,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 115 [2020-10-27 19:53:07,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:53:07,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:07,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:07,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:07,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:07,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:10,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:10,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 19:53:10,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 19:53:10,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3088 [2020-10-27 19:53:10,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 19:53:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 19:53:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:53:10,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:10,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:53:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:10,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:10,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:11,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:11,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 19:53:11,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:11,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-27 19:53:11,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:11,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 19:53:11,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 19:53:11,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:53:11,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:11,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:11,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:11,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:11,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:53:11,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:11,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:53:11,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:11,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:11,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:11,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:11,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:11,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:53:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:11,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:11,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:12,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:12,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 19:53:12,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:12,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1516 [2020-10-27 19:53:12,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 19:53:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:53:12,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:53:12,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:12,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:53:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:12,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:12,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:13,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:13,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 19:53:13,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:13,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 898 [2020-10-27 19:53:13,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:13,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 19:53:13,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:53:13,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:53:13,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:13,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:13,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:13,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:13,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:13,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:53:13,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:13,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-27 19:53:13,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:53:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 19:53:13,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:13,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:53:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:13,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:13,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:14,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:14,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:53:14,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:14,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 19:53:14,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:14,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 19:53:14,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:14,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 19:53:14,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:14,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:14,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:14,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:14,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:53:14,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:14,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 19:53:14,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:14,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:53:14,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:14,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:53:14,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:14,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:53:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:14,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:14,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:14,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:53:14,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:14,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-27 19:53:14,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:14,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 19:53:14,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:53:14,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 19:53:14,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:14,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:53:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:14,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:14,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:14,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:53:14,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:14,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-27 19:53:14,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 19:53:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:53:14,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 19:53:14,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:14,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:14,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:14,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:14,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:53:14,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:14,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 19:53:14,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:14,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:53:14,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:53:14,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:53:14,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:14,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 19:53:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:14,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:14,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:16,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:16,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 19:53:16,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:16,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1491 [2020-10-27 19:53:16,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:16,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 19:53:16,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-27 19:53:16,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:53:16,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:16,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:53:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:16,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:16,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:17,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:17,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 19:53:17,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:17,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1399 [2020-10-27 19:53:17,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:17,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 19:53:17,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 19:53:17,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:53:17,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:17,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:17,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:17,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:17,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:53:17,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:17,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:53:17,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:17,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:17,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:17,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:17,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:17,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:53:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:17,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:18,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:18,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:18,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 19:53:18,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:18,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 723 [2020-10-27 19:53:18,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:18,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 19:53:18,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 19:53:18,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:53:18,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:18,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:53:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:18,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:18,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:19,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:19,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 19:53:19,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:19,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 799 [2020-10-27 19:53:19,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-27 19:53:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 19:53:19,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 19:53:19,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:19,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:19,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:19,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:19,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:19,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:53:19,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:19,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 19:53:19,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:19,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:53:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:19,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 19:53:19,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:19,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:53:19,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:19,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:19,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:19,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:53:19,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:19,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 19:53:19,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:19,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 19:53:19,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:19,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 19:53:19,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:19,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:19,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:19,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:19,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:53:19,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:19,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 19:53:19,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:19,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:53:19,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:19,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:53:19,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:19,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:53:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:19,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:19,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:19,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:53:19,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:19,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 144 [2020-10-27 19:53:19,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:19,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 19:53:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:53:19,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 19:53:19,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:19,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:53:19,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:19,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:20,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:20,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:53:20,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:20,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-27 19:53:20,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 19:53:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:53:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 19:53:20,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:20,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:20,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:20,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:20,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:53:20,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:20,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 19:53:20,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:53:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:53:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:53:20,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:53:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 32 proven. 54 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2020-10-27 19:53:20,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737088801] [2020-10-27 19:53:20,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:53:20,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 19:53:20,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475446324] [2020-10-27 19:53:20,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 19:53:20,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:53:20,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 19:53:20,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2020-10-27 19:53:20,375 INFO L87 Difference]: Start difference. First operand 181 states and 215 transitions. Second operand 23 states. [2020-10-27 19:53:24,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:53:24,212 INFO L93 Difference]: Finished difference Result 367 states and 451 transitions. [2020-10-27 19:53:24,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 19:53:24,212 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 156 [2020-10-27 19:53:24,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:53:24,216 INFO L225 Difference]: With dead ends: 367 [2020-10-27 19:53:24,216 INFO L226 Difference]: Without dead ends: 195 [2020-10-27 19:53:24,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=155, Invalid=1251, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 19:53:24,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-10-27 19:53:24,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 184. [2020-10-27 19:53:24,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-10-27 19:53:24,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 216 transitions. [2020-10-27 19:53:24,268 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 216 transitions. Word has length 156 [2020-10-27 19:53:24,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:53:24,268 INFO L481 AbstractCegarLoop]: Abstraction has 184 states and 216 transitions. [2020-10-27 19:53:24,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 19:53:24,269 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 216 transitions. [2020-10-27 19:53:24,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-27 19:53:24,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:53:24,276 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:53:24,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 19:53:24,276 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:53:24,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:53:24,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1216549328, now seen corresponding path program 1 times [2020-10-27 19:53:24,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:53:24,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285989068] [2020-10-27 19:53:24,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:53:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:24,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:24,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:25,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:28,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:29,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:29,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-27 19:53:29,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:53:29,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5617 [2020-10-27 19:53:29,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:29,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-27 19:53:29,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 19:53:29,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-27 19:53:29,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:30,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:53:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:30,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:30,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:30,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:53:30,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:30,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:53:30,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:30,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:30,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:30,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:30,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:30,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 19:53:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:30,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:30,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:35,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:35,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-27 19:53:35,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5343 [2020-10-27 19:53:35,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-27 19:53:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:35,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-27 19:53:35,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:35,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:53:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:35,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:36,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:40,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:40,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 19:53:40,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:40,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5064 [2020-10-27 19:53:40,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:40,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-27 19:53:40,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:40,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-27 19:53:40,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:40,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:41,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:41,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:41,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 19:53:41,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:41,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 463 [2020-10-27 19:53:41,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:41,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 19:53:41,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:41,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 19:53:41,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:41,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:53:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:41,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:41,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:41,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 19:53:41,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:41,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 353 [2020-10-27 19:53:41,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 19:53:41,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:41,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 19:53:41,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:42,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:42,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:42,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:42,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:53:42,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:42,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 19:53:42,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:53:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:42,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:53:42,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:42,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:53:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:42,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:42,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:42,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 19:53:42,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:42,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 19:53:42,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:42,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:53:42,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:42,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 19:53:42,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:42,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:53:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:42,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:42,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:42,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 19:53:42,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:42,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:53:42,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:42,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:42,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:42,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:42,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:42,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:42,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:42,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:42,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:53:42,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:42,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 19:53:42,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:42,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:42,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:42,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:53:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:42,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:42,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:42,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:53:42,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:42,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:53:42,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:42,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:42,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:42,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:42,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:42,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:53:42,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:42,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:53:42,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:42,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:42,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:42,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:42,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:53:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:42,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:42,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:42,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:53:42,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:42,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:53:42,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:42,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:42,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:42,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:42,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:42,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:53:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:42,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:42,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:42,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:53:42,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:42,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:53:42,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:42,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:42,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:42,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:42,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:42,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:42,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:53:42,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:42,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:53:42,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:42,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:42,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:42,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:42,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:42,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 19:53:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:42,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:42,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:43,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:45,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:47,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:47,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 19:53:47,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 19:53:47,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 19:53:47,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 19:53:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:47,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 19:53:47,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:47,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:53:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:47,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:47,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:47,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 19:53:47,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:47,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 298 [2020-10-27 19:53:47,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:47,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 19:53:47,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:47,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 19:53:47,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:47,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:47,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:47,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:47,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:53:47,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:47,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 19:53:47,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:53:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:47,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:53:47,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:47,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:53:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:47,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:47,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:47,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 19:53:47,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:47,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 19:53:47,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:53:47,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:47,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 19:53:47,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:47,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:53:47,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:47,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:47,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:47,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 19:53:47,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:47,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:53:47,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:47,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:47,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:47,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:47,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:47,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:47,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:53:47,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:47,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:53:47,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:47,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:47,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:47,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:47,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:47,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:53:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:47,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:47,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:47,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:53:47,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:47,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:53:47,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:47,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:47,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:47,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:47,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:47,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:47,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:47,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:47,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:53:47,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:47,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:53:47,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:47,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:47,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:47,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:47,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:47,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:53:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:47,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:47,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:47,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:53:47,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:53:47,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:47,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:47,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:47,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:53:47,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:47,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:47,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:47,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:53:47,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:47,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:53:47,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:47,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:47,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:47,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:53:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:47,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:47,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:47,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:53:47,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:47,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:53:47,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:47,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:48,029 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2020-10-27 19:53:48,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285989068] [2020-10-27 19:53:48,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 19:53:48,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 19:53:48,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492007353] [2020-10-27 19:53:48,030 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 19:53:48,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:53:48,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 19:53:48,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=503, Unknown=0, NotChecked=0, Total=552 [2020-10-27 19:53:48,032 INFO L87 Difference]: Start difference. First operand 184 states and 216 transitions. Second operand 24 states. [2020-10-27 19:53:51,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:53:51,029 INFO L93 Difference]: Finished difference Result 301 states and 363 transitions. [2020-10-27 19:53:51,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 19:53:51,030 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 156 [2020-10-27 19:53:51,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:53:51,034 INFO L225 Difference]: With dead ends: 301 [2020-10-27 19:53:51,035 INFO L226 Difference]: Without dead ends: 229 [2020-10-27 19:53:51,036 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=144, Invalid=1338, Unknown=0, NotChecked=0, Total=1482 [2020-10-27 19:53:51,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-10-27 19:53:51,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2020-10-27 19:53:51,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-27 19:53:51,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 249 transitions. [2020-10-27 19:53:51,061 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 249 transitions. Word has length 156 [2020-10-27 19:53:51,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:53:51,062 INFO L481 AbstractCegarLoop]: Abstraction has 211 states and 249 transitions. [2020-10-27 19:53:51,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 19:53:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 249 transitions. [2020-10-27 19:53:51,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-27 19:53:51,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:53:51,064 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:53:51,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 19:53:51,065 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:53:51,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:53:51,065 INFO L82 PathProgramCache]: Analyzing trace with hash 459066118, now seen corresponding path program 1 times [2020-10-27 19:53:51,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:53:51,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058365596] [2020-10-27 19:53:51,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:53:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:51,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:55,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:56,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:56,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 19:53:56,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:53:56,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5699 [2020-10-27 19:53:56,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:56,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-27 19:53:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-27 19:53:56,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 107 [2020-10-27 19:53:56,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:57,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:53:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:57,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:53:57,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:53:57,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:53:57,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:53:57,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:53:57,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:53:57,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:53:57,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:53:57,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:53:57,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:53:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 19:53:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:53:57,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:01,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:02,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:02,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-27 19:54:02,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:54:02,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-27 19:54:02,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:02,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-27 19:54:02,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 187 [2020-10-27 19:54:02,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:02,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:54:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:02,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:07,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:07,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 185 [2020-10-27 19:54:07,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:54:07,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5258 [2020-10-27 19:54:07,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 19:54:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:07,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-27 19:54:07,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:08,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:08,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:08,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:08,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 19:54:08,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:08,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 19:54:08,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:08,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:08,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:08,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:54:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:08,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:08,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:08,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 19:54:08,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:08,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 19:54:08,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:08,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:08,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:08,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:08,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:08,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:08,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:08,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:08,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:54:08,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:08,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:54:08,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:08,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:08,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:08,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:08,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:08,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:54:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:08,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:08,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:08,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 19:54:08,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:08,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 19:54:08,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:08,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:08,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:08,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:54:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:08,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:08,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:08,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 19:54:08,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:08,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 19:54:08,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:08,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:08,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:08,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:08,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:08,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:08,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:08,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:08,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:54:08,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:08,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:54:08,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:08,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:08,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:08,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:08,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:08,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:54:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:08,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:08,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:08,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:54:08,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:08,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 19:54:08,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:08,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:08,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:08,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:08,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:08,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:08,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:08,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:54:08,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:08,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:54:08,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:08,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:08,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:08,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:08,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 19:54:08,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 19:54:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:08,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:08,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:08,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 19:54:08,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:08,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:54:08,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:08,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:08,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:08,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:08,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:54:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:08,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:08,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:08,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-27 19:54:08,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:08,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:54:08,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:08,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:08,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:08,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:08,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:08,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:08,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:08,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:54:08,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:08,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:54:08,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:08,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:08,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:08,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-27 19:54:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:08,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:09,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:13,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:13,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 19:54:13,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:54:13,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 19:54:13,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-27 19:54:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:13,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 19:54:13,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 19:54:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:13,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:14,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:18,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:18,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 19:54:18,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:54:18,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5038 [2020-10-27 19:54:18,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:18,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-27 19:54:18,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:18,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 19:54:18,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:20,208 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 157 DAG size of output: 57 [2020-10-27 19:54:20,901 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 39 [2020-10-27 19:54:21,476 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 37 [2020-10-27 19:54:21,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:21,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:21,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:21,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 19:54:21,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:21,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 19:54:21,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:54:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:21,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 19:54:21,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:21,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 19:54:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:21,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:22,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:23,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:23,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 19:54:23,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:54:23,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1937 [2020-10-27 19:54:23,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:23,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-27 19:54:23,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 19:54:23,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-27 19:54:23,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0